Michael David Adamthwaite (born September 1, 1981) is a Canadian voice actor and actor who often works for The Ocean Group.
- Ginji Matsuzaki in Black Lagoon
- Tsukasa Domyoji in Boys over Flowers
- Raye Penber in Death Note
- Namor in Fantastic Four: World's Greatest Heroes
- The Laughing Man in the Ghost in the Shell: Stand Alone Complex OVA
- Toshiro Hijikata in Gintama
- Byakuya in InuYasha: The Final Act
- Sgt. Breaker Night in Mega Man: Fully Charged
- Ribbons Almark in Mobile Suit Gundam 00
- Yzak Joule in Mobile Suit Gundam SEED
- Jay in Ninjago
- Jaffa Herak in the science fiction TV series Stargate SG-1.